- InChI
- InChI=1S/C8H18/c1-7(2,3)8(4,5)6/h1-6H3
- InChI Key
- OMMLUKLXGSRPHK-UHFFFAOYSA-N
- Formula
- C8H18
- SMILES
- CC(C)(C)C(C)(C)C
- Molecular Weight1
- 114.23
- CAS
- 594-82-1
- Other Names
-
- (CH3)3CC(CH3)3
- 2,2,3,3-Tetramethylbutane
- Ethane, hexamethyl-
- Hexamethylethane
- Tetramethylbutane
- ω : Acentric Factor.
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- Csat : Molar heat capacity at saturation pressure (J/mol×K).
- μ : Dipole Moment (debye).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- IE : Ionization energy (eV).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pc : Critical Pressure (kPa).
- Ptriple : Triple Point Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- ΔfusS : Entropy of fusion at a given temperature (J/mol×K).
- S°gas : Molar entropy at standard conditions (J/mol×K).
- γ : Surface Tension (N/m).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- λgas : Gas thermal conductivity (W/m×K).
- λliquid : Liquid thermal conductivity (W/m×K).
- Tfus : Normal melting (fusion) point (K).
- Ttriple : Triple Point Temperature (K).
- UQi : UNIQUAC Qi Parameter.
- URi : UNIQUAC Ri Parameter.
- Vc : Critical Volume (m3/kmol).
- VCOSTALD : COSTALD Characteristic Volume (m3/kmol).
- ωSRK : SRK acentric factor.
- Zc : Critical Compressibility.
- Zra : Rackett Parameter.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | [0.2469; 0.2510] |
|
|
| ω | 0.2469 | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value | |
| ω | 0.2480 | ChemSep v8.3 pure component data Compiled value | |
| ω | 0.2510 | KDB | |
| ΔcH°solid | [-5451.90; -5451.50] | kJ/mol |
|
| ΔcH°solid | -5451.50 ± 1.10 | kJ/mol | NIST |
| ΔcH°solid | -5451.90 ± 1.80 | kJ/mol | NIST |
| μ | 0.00 | debye | ChemSep v8.3 pure component data Compiled value |
| ΔfG° | 22.23 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfH°gas | [-226.20; -225.60] | kJ/mol |
|
| ΔfH°gas | -225.60 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfH°gas | -226.20 | kJ/mol | NIST |
| ΔfH°gas | -225.90 ± 1.90 | kJ/mol | NIST |
| ΔfH°solid | [-269.10; -268.80] | kJ/mol |
|
| ΔfH°solid | -269.10 ± 1.20 | kJ/mol | NIST |
| ΔfH°solid | -268.80 ± 1.90 | kJ/mol | NIST |
| ΔfusH° | 1.65 | kJ/mol | Joback Calculated Property |
| ΔsubH° | [42.90; 43.40] | kJ/mol |
|
| ΔsubH° | 43.37 ± 0.21 | kJ/mol | NIST |
| ΔsubH° | 43.40 ± 0.20 | kJ/mol | NIST |
| ΔsubH° | 42.90 ± 0.90 | kJ/mol | NIST |
| ΔsubH° | 42.90 | kJ/mol | NIST |
| ΔsubH° | 43.37 ± 0.21 | kJ/mol | NIST |
| ΔsubH° | 43.40 ± 0.20 | kJ/mol | NIST |
| ΔvapH° | [42.91; 42.94] | kJ/mol |
|
| ΔvapH° | 42.94 | kJ/mol | NIST |
| ΔvapH° | 42.91 | kJ/mol | NIST |
| IE | [9.79; 10.37] | eV |
|
| IE | 9.80 | eV | NIST |
| IE | 9.79 | eV | NIST |
| IE | 9.80 | eV | NIST |
| IE | 10.37 | eV | NIST |
| IE | 10.20 ± 0.05 | eV | NIST |
| log10WS | -4.34 | Relay (1.0) Calculated Property | |
| logPoct/wat | 3.079 | Crippen Calculated Property | |
| McVol | 123.580 | ml/mol | McGowan Calculated Property |
| Pc | [2867.50; 2870.00] | kPa |
|
| Pc | 2867.50 | kPa | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Pc | 2870.00 | kPa | ChemSep v8.3 pure component data Compiled value |
| Pc | 2870.00 | kPa | KDB |
| Ptriple | 86.93 | kPa | ChemSep v8.3 pure component data Compiled value |
| Inp | [676.00; 773.00] |
|
|
| Inp | 724.00 | NIST | |
| Inp | 726.10 | NIST | |
| Inp | 730.20 | NIST | |
| Inp | 723.70 | NIST | |
| Inp | 723.90 | NIST | |
| Inp | 731.00 | NIST | |
| Inp | Outlier 773.00 | NIST | |
| Inp | 736.00 | NIST | |
| Inp | 733.28 | NIST | |
| Inp | 736.21 | NIST | |
| Inp | 739.23 | NIST | |
| Inp | 727.21 | NIST | |
| Inp | 730.14 | NIST | |
| Inp | 720.00 | NIST | |
| Inp | 722.00 | NIST | |
| Inp | 724.00 | NIST | |
| Inp | 726.00 | NIST | |
| Inp | 728.00 | NIST | |
| Inp | 720.00 | NIST | |
| Inp | 733.00 | NIST | |
| Inp | 724.00 | NIST | |
| Inp | 720.00 | NIST | |
| Inp | 726.00 | NIST | |
| Inp | 730.00 | NIST | |
| Inp | 735.00 | NIST | |
| Inp | 721.00 | NIST | |
| Inp | 726.00 | NIST | |
| Inp | 731.00 | NIST | |
| Inp | 723.00 | NIST | |
| Inp | 728.00 | NIST | |
| Inp | 731.00 | NIST | |
| Inp | 729.00 | NIST | |
| Inp | 720.00 | NIST | |
| Inp | 716.00 | NIST | |
| Inp | 710.35 | NIST | |
| Inp | 712.98 | NIST | |
| Inp | 714.69 | NIST | |
| Inp | 712.25 | NIST | |
| Inp | 714.80 | NIST | |
| Inp | 716.46 | NIST | |
| Inp | 726.00 | NIST | |
| Inp | 719.00 | NIST | |
| Inp | 735.00 | NIST | |
| Inp | Outlier 676.00 | NIST | |
| Inp | 729.00 | NIST | |
| Inp | 726.00 | NIST | |
| Inp | 729.00 | NIST | |
| S°gas | 389.30 ± 1.30 | J/mol×K | NIST |
| S°solid,1 bar | [256.90; 273.76] | J/mol×K |
|
| S°solid,1 bar | 273.76 | J/mol×K | NIST |
| S°solid,1 bar | 256.90 | J/mol×K | NIST |
| Tboil | [379.00; 379.95] | K |
|
| Tboil | 379.44 | K | ChemSep v8.3 pure component data Compiled value |
| Tboil | 379.60 | K | KDB |
| Tboil | 379.70 | K | NIST |
| Tboil | Outlier 379.00 ± 2.00 | K | NIST |
| Tboil | 379.40 ± 0.30 | K | NIST |
| Tboil | 379.65 ± 0.30 | K | NIST |
| Tboil | 379.65 ± 0.60 | K | NIST |
| Tboil | 379.70 ± 0.30 | K | NIST |
| Tboil | 379.95 ± 0.60 | K | NIST |
| Tc | [567.80; 567.80] | K |
|
| Tc | 567.80 | K | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Tc | 567.80 | K | ChemSep v8.3 pure component data Compiled value |
| Tc | 567.80 | K | KDB |
| Tfus | [365.15; 377.15] | K |
|
| Tfus | 374.00 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 373.84 | K | ChemSep v8.3 pure component data Compiled value |
| Tfus | 373.80 | K | KDB |
| Tfus | 373.00 ± 2.00 | K | NIST |
| Tfus | 373.90 ± 0.50 | K | NIST |
| Tfus | 374.65 ± 1.00 | K | NIST |
| Tfus | 372.44 ± 0.50 | K | NIST |
| Tfus | 374.15 ± 1.50 | K | NIST |
| Tfus | 372.44 ± 0.50 | K | NIST |
| Tfus | 374.15 ± 1.50 | K | NIST |
| Tfus | 373.84 ± 0.05 | K | NIST |
| Tfus | 372.65 ± 1.00 | K | NIST |
| Tfus | 373.99 ± 0.30 | K | NIST |
| Tfus | 374.10 ± 0.20 | K | NIST |
| Tfus | 374.25 ± 0.70 | K | NIST |
| Tfus | 374.25 ± 0.60 | K | NIST |
| Tfus | Outlier 365.15 ± 2.00 | K | NIST |
| Tfus | 374.65 ± 0.40 | K | NIST |
| Tfus | 374.35 ± 0.40 | K | NIST |
| Tfus | 377.00 ± 1.50 | K | NIST |
| Tfus | 374.20 ± 0.40 | K | NIST |
| Tfus | 374.15 ± 1.00 | K | NIST |
| Tfus | 377.15 ± 2.00 | K | NIST |
| Tfus | 376.65 ± 2.00 | K | NIST |
| Ttriple | [373.96; 373.97] | K |
|
| Ttriple | 373.96 | K | ChemSep v8.3 pure component data Compiled value |
| Ttriple | 373.97 ± 0.07 | K | NIST |
| Ttriple | 373.97 ± 0.07 | K | NIST |
| UQi | 5.09 | ChemSep v8.3 pure component data Compiled value | |
| URi | 5.85 | ChemSep v8.3 pure component data Compiled value | |
| Vc | [0.461; 0.482] | m3/kmol |
|
| Vc | 0.461 | m3/kmol | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Vc | 0.482 | m3/kmol | ChemSep v8.3 pure component data Compiled value |
| Vc | 0.461 | m3/kmol | KDB |
| VCOSTALD | 0.45 | m3/kmol | Hankinson and Thomson (1979), COSTALD parameters Compiled value |
| ωSRK | 0.25 | Hankinson and Thomson (1979), COSTALD parameters Compiled value | |
| Zc | [0.2800000; 0.2802530] |
|
|
| Zc | 0.2800000 | ChemSep v8.3 pure component data Compiled value | |
| Zc | 0.2802530 | KDB | |
| Zra | [0.27; 0.28] |
|
|
| Zra | 0.27 | Hankinson and Thomson (1979), COSTALD parameters Compiled value | |
| Zra | 0.28 | ChemSep v8.3 pure component data Compiled value | |
| Zra | 0.27 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,solid | [232.20; 239.62] | J/mol×K | [295.40; 301.60] |
|
| Cp,solid | 232.20 | J/mol×K | 295.40 | NIST |
| Cp,solid | 239.62 | J/mol×K | 301.60 | NIST |
| Csat | [279.90; 281.70] | J/mol×K | [375.00; 378.00] |
|
| Csat | 279.90 | J/mol×K | 375.00 | Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD |
| Csat | 281.70 | J/mol×K | 378.00 | Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD |
| ΔfusH | [2.00; 7.54] | kJ/mol | [152.50; 373.90] |
|
| ΔfusH | 2.00 | kJ/mol | 152.50 | NIST |
| ΔfusH | 7.54 | kJ/mol | 373.90 | NIST |
| ΔfusH | 7.54 | kJ/mol | 373.90 | NIST |
| ΔsubH | [43.60; 56.20] | kJ/mol | [271.00; 331.50] |
|
| ΔsubH | 56.20 | kJ/mol | 271.00 | NIST |
| ΔsubH | 43.60 | kJ/mol | 331.50 | NIST |
| ΔvapH | [31.42; 333.00] | kJ/mol | [379.60; 383.50] |
|
| ΔvapH | 31.42 | kJ/mol | 379.60 | KDB |
| ΔvapH | 333.00 | kJ/mol | 383.50 | NIST |
| ΔfusS | [13.11; 20.16] | J/mol×K | [152.50; 373.90] |
|
| ΔfusS | 13.11 | J/mol×K | 152.50 | NIST |
| ΔfusS | 20.16 | J/mol×K | 373.90 | NIST |
| γ | 0.02 | N/m | 298.20 | KDB |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 379.70 | K | 102.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [129.42; 557.84] | J/mol×K | [200.00; 1500.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 7.39140e+01 | |||
| Coefficient B | -4.15760e+02 | |||
| Coefficient C | 5.98924e+00 | |||
| Coefficient D | 5.63840e-04 | |||
| Coefficient E | -1.67070e-07 | |||
| Temperature range, min. | 200.00 | |||
| Temperature range, max. | 1500.00 | |||
| Cp,gas | 129.42 | J/mol×K | 200.00 | Calculated Property |
| Cp,gas | 216.02 | J/mol×K | 344.44 | Calculated Property |
| Cp,gas | 289.76 | J/mol×K | 488.89 | Calculated Property |
| Cp,gas | 350.60 | J/mol×K | 633.33 | Calculated Property |
| Cp,gas | 401.64 | J/mol×K | 777.78 | Calculated Property |
| Cp,gas | 444.96 | J/mol×K | 922.22 | Calculated Property |
| Cp,gas | 481.73 | J/mol×K | 1066.67 | Calculated Property |
| Cp,gas | 512.60 | J/mol×K | 1211.11 | Calculated Property |
| Cp,gas | 537.90 | J/mol×K | 1355.56 | Calculated Property |
| Cp,gas | 557.84 | J/mol×K | 1500.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [281.31; 312.42] | J/mol×K | [373.96; 426.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 2.39620e+02 | |||
| Coefficient B | 5.59050e+01 | |||
| Coefficient C | -3.80236e+00 | |||
| Coefficient D | 2.73630e-02 | |||
| Coefficient E | -2.03760e-05 | |||
| Temperature range, min. | 373.96 | |||
| Temperature range, max. | 426.00 | |||
| Cp,liquid | 281.31 | J/mol×K | 373.96 | Calculated Property |
| Cp,liquid | 284.21 | J/mol×K | 379.74 | Calculated Property |
| Cp,liquid | 287.24 | J/mol×K | 385.52 | Calculated Property |
| Cp,liquid | 290.42 | J/mol×K | 391.31 | Calculated Property |
| Cp,liquid | 293.73 | J/mol×K | 397.09 | Calculated Property |
| Cp,liquid | 297.19 | J/mol×K | 402.87 | Calculated Property |
| Cp,liquid | 300.79 | J/mol×K | 408.65 | Calculated Property |
| Cp,liquid | 304.53 | J/mol×K | 414.44 | Calculated Property |
| Cp,liquid | 308.41 | J/mol×K | 420.22 | Calculated Property |
| Cp,liquid | 312.42 | J/mol×K | 426.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0006337; 0.0000749] | Pa×s | [293.15; 473.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -1.75380e+01 | |||
| Coefficient B | 1.60350e+03 | |||
| Coefficient C | 8.80400e-01 | |||
| Coefficient D | -3.45640e-06 | |||
| Coefficient E | 2.00000e+00 | |||
| Temperature range, min. | 293.15 | |||
| Temperature range, max. | 473.00 | |||
| η | 0.0006337 | Pa×s | 293.15 | Calculated Property |
| η | 0.0004543 | Pa×s | 313.13 | Calculated Property |
| η | 0.0003374 | Pa×s | 333.12 | Calculated Property |
| η | 0.0002580 | Pa×s | 353.10 | Calculated Property |
| η | 0.0002019 | Pa×s | 373.08 | Calculated Property |
| η | 0.0001612 | Pa×s | 393.07 | Calculated Property |
| η | 0.0001307 | Pa×s | 413.05 | Calculated Property |
| η | 0.0001075 | Pa×s | 433.03 | Calculated Property |
| η | 0.0000893 | Pa×s | 453.02 | Calculated Property |
| η | 0.0000749 | Pa×s | 473.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [31.77; 9.45] | kJ/mol | [373.96; 557.79] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K | |||
| Coefficient A | 5.30620e+01 | |||
| Coefficient B | 3.04840e-01 | |||
| Coefficient C | 8.53230e-01 | |||
| Coefficient D | -1.21610e+00 | |||
| Coefficient E | 4.82820e-01 | |||
| Critical temperature, Tc (K) | 5.67800e+02 | |||
| Temperature range, min. | 373.96 | |||
| Temperature range, max. | 557.79 | |||
| ΔvapH | 31.77 | kJ/mol | 373.96 | Calculated Property |
| ΔvapH | 30.29 | kJ/mol | 394.39 | Calculated Property |
| ΔvapH | 28.75 | kJ/mol | 414.81 | Calculated Property |
| ΔvapH | 27.10 | kJ/mol | 435.24 | Calculated Property |
| ΔvapH | 25.33 | kJ/mol | 455.66 | Calculated Property |
| ΔvapH | 23.37 | kJ/mol | 476.09 | Calculated Property |
| ΔvapH | 21.12 | kJ/mol | 496.51 | Calculated Property |
| ΔvapH | 18.44 | kJ/mol | 516.94 | Calculated Property |
| ΔvapH | 14.97 | kJ/mol | 537.36 | Calculated Property |
| ΔvapH | 9.45 | kJ/mol | 557.79 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [280.62; 405.36] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.31777e+01 | |||
| Coefficient B | -2.51762e+03 | |||
| Coefficient C | -8.53050e+01 | |||
| Temperature range, min. | 280.62 | |||
| Temperature range, max. | 405.36 | |||
| Pvap | 1.33 | kPa | 280.62 | Calculated Property |
| Pvap | 3.13 | kPa | 294.48 | Calculated Property |
| Pvap | 6.62 | kPa | 308.34 | Calculated Property |
| Pvap | 12.81 | kPa | 322.20 | Calculated Property |
| Pvap | 23.05 | kPa | 336.06 | Calculated Property |
| Pvap | 39.00 | kPa | 349.92 | Calculated Property |
| Pvap | 62.62 | kPa | 363.78 | Calculated Property |
| Pvap | 96.12 | kPa | 377.64 | Calculated Property |
| Pvap | 141.95 | kPa | 391.50 | Calculated Property |
| Pvap | 202.66 | kPa | 405.36 | Calculated Property |
| Pvap | [86.45; 2854.40] | kPa | [373.96; 567.80] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.13752e+02 | |||
| Coefficient B | -8.50060e+03 | |||
| Coefficient C | -1.48630e+01 | |||
| Coefficient D | 1.06490e-05 | |||
| Coefficient E | 2.00000e+00 | |||
| Comment | Range stopped at Tc; ChemSep gives it to 568 K. | |||
| Temperature range, min. | 373.96 | |||
| Temperature range, max. | 567.80 | |||
| Pvap | 86.45 | kPa | 373.96 | Calculated Property |
| Pvap | 154.72 | kPa | 395.50 | Calculated Property |
| Pvap | 257.21 | kPa | 417.04 | Calculated Property |
| Pvap | 402.90 | kPa | 438.57 | Calculated Property |
| Pvap | 601.57 | kPa | 460.11 | Calculated Property |
| Pvap | 864.15 | kPa | 481.65 | Calculated Property |
| Pvap | 1203.34 | kPa | 503.19 | Calculated Property |
| Pvap | 1634.49 | kPa | 524.72 | Calculated Property |
| Pvap | 2176.73 | kPa | 546.26 | Calculated Property |
| Pvap | 2854.40 | kPa | 567.80 | Calculated Property |
| Pvap | [0.41; 2889.39] | kPa | [270.00; 567.80] |
KDB Vapor Pressure Data
|
| Equation | ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.32058e+02 | |||
| Coefficient B | -9.96316e+03 | |||
| Coefficient C | -1.72776e+01 | |||
| Coefficient D | 9.39147e-06 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 270.00 | |||
| Temperature range, max. | 567.80 | |||
| Pvap | 0.41 | kPa | 270.00 | Calculated Property |
| Pvap | 3.76 | kPa | 303.09 | Calculated Property |
| Pvap | 19.46 | kPa | 336.18 | Calculated Property |
| Pvap | 68.12 | kPa | 369.27 | Calculated Property |
| Pvap | 180.77 | kPa | 402.36 | Calculated Property |
| Pvap | 392.98 | kPa | 435.44 | Calculated Property |
| Pvap | 738.89 | kPa | 468.53 | Calculated Property |
| Pvap | 1249.24 | kPa | 501.62 | Calculated Property |
| Pvap | 1954.22 | kPa | 534.71 | Calculated Property |
| Pvap | 2889.39 | kPa | 567.80 | Calculated Property |
| Pvap | [0.54; 21.22] | kPa | [273.00; 338.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.63100e+01 | |||
| Coefficient B | -3.97142e+03 | |||
| Coefficient C | -3.83830e+01 | |||
| Reference | Scott, Douslin, et al., 1952, 3 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 338.00 | |||
| Pvap | 0.54 | kPa | 273.00 | Calculated Property |
| Pvap | 0.89 | kPa | 280.22 | Calculated Property |
| Pvap | 1.44 | kPa | 287.44 | Calculated Property |
| Pvap | 2.26 | kPa | 294.67 | Calculated Property |
| Pvap | 3.45 | kPa | 301.89 | Calculated Property |
| Pvap | 5.16 | kPa | 309.11 | Calculated Property |
| Pvap | 7.55 | kPa | 316.33 | Calculated Property |
| Pvap | 10.84 | kPa | 323.56 | Calculated Property |
| Pvap | 15.30 | kPa | 330.78 | Calculated Property |
| Pvap | 21.22 | kPa | 338.00 | Calculated Property |
| Pvap | [0.54; 21.22] | kPa | [273.00; 338.00] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.63100e+01 | |||
| Coefficient B | -3.97142e+03 | |||
| Coefficient C | -3.83830e+01 | |||
| Reference | Scott, Douslin, et al., 1952 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 338.00 | |||
| Pvap | 0.54 | kPa | 273.00 | Calculated Property |
| Pvap | 0.89 | kPa | 280.22 | Calculated Property |
| Pvap | 1.44 | kPa | 287.44 | Calculated Property |
| Pvap | 2.26 | kPa | 294.67 | Calculated Property |
| Pvap | 3.45 | kPa | 301.89 | Calculated Property |
| Pvap | 5.16 | kPa | 309.11 | Calculated Property |
| Pvap | 7.55 | kPa | 316.33 | Calculated Property |
| Pvap | 10.84 | kPa | 323.56 | Calculated Property |
| Pvap | 15.30 | kPa | 330.78 | Calculated Property |
| Pvap | 21.22 | kPa | 338.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ρl | [660.25; 382.40] | kg/m3 | [367.55; 557.79] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K | |||
| Coefficient A | 7.01329e+01 | |||
| Coefficient B | 2.76740e-01 | |||
| Coefficient C | 5.67800e+02 | |||
| Coefficient D | 2.81980e-01 | |||
| Temperature range, min. | 367.55 | |||
| Temperature range, max. | 557.79 | |||
| ρl | 660.25 | kg/m3 | 367.55 | Calculated Property |
| ρl | 640.96 | kg/m3 | 388.69 | Calculated Property |
| ρl | 620.60 | kg/m3 | 409.83 | Calculated Property |
| ρl | 598.92 | kg/m3 | 430.96 | Calculated Property |
| ρl | 575.59 | kg/m3 | 452.10 | Calculated Property |
| ρl | 550.06 | kg/m3 | 473.24 | Calculated Property |
| ρl | 521.48 | kg/m3 | 494.38 | Calculated Property |
| ρl | 488.23 | kg/m3 | 515.51 | Calculated Property |
| ρl | 446.61 | kg/m3 | 536.65 | Calculated Property |
| ρl | 382.40 | kg/m3 | 557.79 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.02; 3.53e-04] | N/m | [293.15; 557.79] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K | |||
| Coefficient A | -4.50240e-03 | |||
| Coefficient B | 6.22880e+02 | |||
| Coefficient C | -8.84450e+00 | |||
| Coefficient D | 1.72040e-02 | |||
| Coefficient E | -2.31290e-05 | |||
| Temperature range, min. | 293.15 | |||
| Temperature range, max. | 557.79 | |||
| γ | 0.02 | N/m | 293.15 | Calculated Property |
| γ | 0.02 | N/m | 322.55 | Calculated Property |
| γ | 0.02 | N/m | 351.96 | Calculated Property |
| γ | 0.01 | N/m | 381.36 | Calculated Property |
| γ | 0.01 | N/m | 410.77 | Calculated Property |
| γ | 0.01 | N/m | 440.17 | Calculated Property |
| γ | 0.01 | N/m | 469.58 | Calculated Property |
| γ | 0.00 | N/m | 498.98 | Calculated Property |
| γ | 0.00 | N/m | 528.39 | Calculated Property |
| γ | 3.53e-04 | N/m | 557.79 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λgas | [0.01; 0.11] | W/m×K | [260.00; 1000.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K | |||
| Coefficient A | 1.25080e-05 | |||
| Coefficient B | 1.30680e+00 | |||
| Coefficient C | -1.32520e+02 | |||
| Coefficient D | 1.21650e+05 | |||
| Temperature range, min. | 260.00 | |||
| Temperature range, max. | 1000.00 | |||
| λgas | 0.01 | W/m×K | 260.00 | Calculated Property |
| λgas | 0.02 | W/m×K | 342.22 | Calculated Property |
| λgas | 0.02 | W/m×K | 424.44 | Calculated Property |
| λgas | 0.04 | W/m×K | 506.67 | Calculated Property |
| λgas | 0.05 | W/m×K | 588.89 | Calculated Property |
| λgas | 0.06 | W/m×K | 671.11 | Calculated Property |
| λgas | 0.07 | W/m×K | 753.33 | Calculated Property |
| λgas | 0.08 | W/m×K | 835.56 | Calculated Property |
| λgas | 0.09 | W/m×K | 917.78 | Calculated Property |
| λgas | 0.11 | W/m×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λliquid | [0.09; 0.08] | W/m×K | [373.96; 426.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K | |||
| Coefficient A | -5.81430e-03 | |||
| Coefficient B | -3.54880e+02 | |||
| Coefficient C | 7.93510e-01 | |||
| Coefficient D | -6.72930e-03 | |||
| Coefficient E | 2.31340e-06 | |||
| Temperature range, min. | 373.96 | |||
| Temperature range, max. | 426.00 | |||
| λliquid | 0.09 | W/m×K | 373.96 | Calculated Property |
| λliquid | 0.09 | W/m×K | 379.74 | Calculated Property |
| λliquid | 0.09 | W/m×K | 385.52 | Calculated Property |
| λliquid | 0.09 | W/m×K | 391.31 | Calculated Property |
| λliquid | 0.08 | W/m×K | 397.09 | Calculated Property |
| λliquid | 0.08 | W/m×K | 402.87 | Calculated Property |
| λliquid | 0.08 | W/m×K | 408.65 | Calculated Property |
| λliquid | 0.08 | W/m×K | 414.44 | Calculated Property |
| λliquid | 0.08 | W/m×K | 420.22 | Calculated Property |
| λliquid | 0.08 | W/m×K | 426.00 | Calculated Property |
Similar Compounds
Find more compounds similar to Butane, 2,2,3,3-tetramethyl-.
Sources
- KDB Vapor Pressure Data
- Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
- Hankinson and Thomson (1979), COSTALD parameters ChEDL chemicals 1.5.2, from Hankinson, R. W.; Thomson, G. H. A New Correlation for Saturated Densities of Liquids and Their Mixtures. AIChE J. 1979, 25, 653-663.
- PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
- Cheméo Relay (1.0)
- ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
- Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
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